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Masimo Corp

MASIDelisted Jun 10, 2026
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0000937556

Masimo Corp was delisted on Jun 10, 2026; its insiders filed their last Form 4 on Jun 12, 2026; 453 institutions reported holding it in 13F filings for Q1 2026, worth $9.69B in total; Soros Fund Management was the only superinvestor holding it.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports Masimo Corp filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by Masimo Corp
FiledForm8-K itemsPeriodDocumentFiling index
Jun 10, 20268-K1.022.013.013.035.015.025.039.01Jun 10, 2026SECIndex
May 5, 202610-Q–Apr 4, 2026SECIndex
May 4, 20268-K5.077.019.01May 1, 2026SECIndex
May 1, 202610-K/A–Jan 3, 2026SECIndex
Apr 23, 20268-K8.01Apr 23, 2026SECIndex
Feb 27, 202610-K–Jan 3, 2026SECIndex
Feb 17, 20268-K1.017.019.01Feb 16, 2026SECIndex
Jan 12, 20268-K2.027.019.01Jan 12, 2026SECIndex
Dec 3, 20258-K7.019.01Dec 3, 2025SECIndex
Dec 1, 20258-K1.011.022.039.01Dec 1, 2025SECIndex
Nov 4, 202510-Q–Sep 27, 2025SECIndex
Nov 4, 20258-K2.027.019.01Nov 4, 2025SECIndex
Sep 29, 20258-K9.01Sep 23, 2025SECIndex
Sep 23, 20258-K2.017.019.01Sep 23, 2025SECIndex
Aug 19, 20258-K5.029.01Aug 18, 2025SECIndex
Aug 5, 202510-Q–Jun 28, 2025SECIndex
Aug 5, 20258-K2.027.019.01Aug 5, 2025SECIndex
Jun 12, 20258-K5.029.01Jun 6, 2025SECIndex
May 27, 20258-K7.018.019.01May 27, 2025SECIndex
May 7, 20258-K/A1.019.01May 6, 2025SECIndex
May 6, 20258-K1.017.019.01May 6, 2025SECIndex
May 6, 20258-K8.01May 6, 2025SECIndex
May 6, 202510-Q–Mar 29, 2025SECIndex
May 6, 20258-K2.027.019.01May 6, 2025SECIndex
Apr 30, 20258-K5.07Apr 29, 2025SECIndex
Feb 25, 202510-K–Dec 28, 2024SECIndex
Feb 25, 20258-K2.027.019.01Feb 25, 2025SECIndex
Feb 19, 20258-K5.035.088.019.01Feb 12, 2025SECIndex
Feb 7, 20258-K5.029.01Feb 6, 2025SECIndex
Jan 31, 20258-K5.029.01Jan 30, 2025SECIndex
Jan 21, 20258-K5.027.019.01Jan 17, 2025SECIndex
Jan 16, 20258-K2.027.019.01Jan 16, 2025SECIndex
Nov 18, 20248-K5.029.01Nov 13, 2024SECIndex
Nov 18, 20248-K5.029.01Nov 13, 2024SECIndex
Nov 6, 202410-Q–Sep 28, 2024SECIndex
Nov 5, 20248-K2.027.019.01Nov 5, 2024SECIndex
Oct 29, 20248-K2.025.029.01Oct 24, 2024SECIndex
Oct 18, 20248-K5.029.01Oct 16, 2024SECIndex
Sep 25, 20248-K2.025.025.077.019.01Sep 25, 2024SECIndex
Aug 16, 20248-K7.019.01Aug 16, 2024SECIndex
Aug 7, 202410-Q–Jun 29, 2024SECIndex
Aug 6, 20248-K2.027.019.01Aug 6, 2024SECIndex
Jul 16, 20248-K5.088.019.01Jul 15, 2024SECIndex
Jul 9, 20248-K2.029.01Jul 9, 2024SECIndex
Jul 8, 20248-K7.019.01Jul 2, 2024SECIndex
Jul 1, 20248-K5.027.019.01Jun 26, 2024SECIndex
Jun 20, 20248-K7.019.01Jun 20, 2024SECIndex
Jun 7, 20248-K8.019.01Jun 5, 2024SECIndex
May 8, 20248-K5.029.01May 3, 2024SECIndex
May 7, 202410-Q–Mar 30, 2024SECIndex